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Doppler Buzzer W-b4a
Swing a small battery powered buzzer on the end of a string in a circle over your head. Fishbane Chapter:   14.7 HRW 9th:   17.09 Reese Chapter:   12.915 RHK 5th:   19.9 SJ 3rd Chapter:   13.8 PIRA DCS classification:   3B40.100

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Physics Lecture Demonstrations at the Department of Physics and Astronomy
The Johns Hopkins University